dev/org.simantics.proconf.processeditor/src/fi/vtt/simantics/processeditor/actions/InsertNozzleAction.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007 VTT Technical Research Centre of Finland and others.\r
   3  * All rights reserved. This program and the accompanying materials\r
   4  * are made available under the terms of the Eclipse Public License v1.0\r
   5  * which accompanies this distribution, and is available at\r
   6  * http://www.eclipse.org/legal/epl-v10.html\r
   7  *\r
   8  * Contributors:\r
   9  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  10  *******************************************************************************/\r
  11 package fi.vtt.simantics.processeditor.actions;\r
  12 \r
  13 import java.util.List;\r
  14 \r
  15 import org.simantics.db.Graph;\r
  16 import org.simantics.db.GraphRequestAdapter;\r
  17 import org.simantics.db.GraphRequestStatus;\r
  18 import org.simantics.db.GraphRequestWithResult;\r
  19 import org.simantics.db.Resource;\r
  20 import org.simantics.layer0.utils.EntityFactory;\r
  21 import org.simantics.layer0.utils.IEntity;\r
  22 import org.simantics.layer0.utils.instantiation.Instance;\r
  23 import org.simantics.layer0.utils.instantiation.InstanceFactory;\r
  24 import org.simantics.proconf.g3d.actions.WriteAction;\r
  25 import org.simantics.proconf.g3d.base.G3DAPI;\r
  26 import org.simantics.proconf.g3d.base.G3DTools;\r
  27 import org.simantics.proconf.g3d.base.ThreeDimensionalEditorBase;\r
  28 import org.simantics.proconf.g3d.common.StructuredResourceSelection;\r
  29 import org.simantics.proconf.g3d.dnd.DropListener;\r
  30 \r
  31 import fi.vtt.simantics.processeditor.Activator;\r
  32 import fi.vtt.simantics.processeditor.ProcessResource;\r
  33 import fi.vtt.simantics.processeditor.common.PipingTools2;\r
  34 import fi.vtt.simantics.processeditor.dialogs.NozzleDialog;\r
  35 import fi.vtt.simantics.processeditor.stubs.Equipment;\r
  36 import fi.vtt.simantics.processeditor.stubs.Nozzle;\r
  37 \r
  38 \r
  39 \r
  40 public class InsertNozzleAction extends WriteAction implements DropListener {\r
  41 \r
  42     Resource equipmentResource = null;\r
  43     Resource nozzleType = null;\r
  44     \r
  45     public InsertNozzleAction(ThreeDimensionalEditorBase parent) {\r
  46         super(parent,false);\r
  47     }\r
  48 \r
  49     @Override\r
  50     public boolean canActivate() {\r
  51         NozzleDialog dialog = new NozzleDialog(parent.getRenderingComposite().getShell(),"Select a nozzle", parent.getSession());\r
  52         if (dialog.open() == NozzleDialog.CANCEL) {\r
  53              equipmentResource = null;\r
  54              return false;\r
  55         }\r
  56         Resource type = dialog.getComboValue();\r
  57         if (type == null) {\r
  58                 equipmentResource = null;\r
  59                 return false;\r
  60         }\r
  61         nozzleType = type;      \r
  62         return true;\r
  63     }\r
  64     \r
  65     @Override\r
  66     public GraphRequestStatus doChanges(Graph graph) throws Exception {\r
  67         createNozzle(graph);\r
  68         return GraphRequestStatus.transactionComplete();\r
  69     }\r
  70     \r
  71     private void createNozzle(Graph graph) {\r
  72         assert(nozzleType != null);\r
  73         assert(equipmentResource != null);\r
  74 \r
  75         Nozzle n = PipingTools2.instantiateNozzle(graph, nozzleType);\r
  76         \r
  77         Equipment equipment = new Equipment(graph, equipmentResource);\r
  78         \r
  79         G3DAPI.addNodeLocal(equipment,ProcessResource.plant3Dresource.HasNozzle, n);\r
  80         //parent.getSelectionAdapter().updateSelection(new StructuredResourceSelection(n.getResource()));        \r
  81         equipment = null;\r
  82     }\r
  83     \r
  84     public boolean usable(Graph graph, List<Resource> resources) {\r
  85         if (resources.size() != 1) {\r
  86             return false;\r
  87         }\r
  88         Resource r = resources.iterator().next();\r
  89         IEntity t = EntityFactory.create(graph,r);\r
  90         if (t.isInstanceOf(ProcessResource.plant3Dresource.Equipment)) {\r
  91             equipmentResource = r;\r
  92             return true;\r
  93         }\r
  94         return false;\r
  95     }\r
  96     \r
  97     @Override\r
  98     public void init() {\r
  99         setText("Insert Nozzle");\r
 100         this.setImageDescriptor(Activator.imageDescriptorFromPlugin(Activator.PLUGIN_ID, "icons/Nozzle.png"));\r
 101     }\r
 102     \r
 103     public boolean acceptDrop(StructuredResourceSelection s, Resource[] ids) {\r
 104                 if(s.size() != 1)\r
 105                         return false;\r
 106                 if (ids == null)\r
 107                         return false;\r
 108                 if (ids.length != 1)\r
 109                         return false;\r
 110                 final Resource r = ids[0];\r
 111                 final Resource selectedResource = s.iterator().next();\r
 112                 GraphRequestWithResult<Boolean> query = new GraphRequestWithResult<Boolean>() {\r
 113                         @Override\r
 114                         public Boolean performWithResult(Graph g) throws Exception {\r
 115                                 IEntity t = EntityFactory.create(g,r);\r
 116                                 if (!t.isInheritedFrom(ProcessResource.plant3Dresource.Nozzle))\r
 117                                         return false;\r
 118                                 t = EntityFactory.create(g,selectedResource);\r
 119                                 if (t.isInstanceOf(ProcessResource.plant3Dresource.Equipment)) {\r
 120                                         return true;\r
 121                                 }\r
 122                                 return false;\r
 123                         }\r
 124                 };\r
 125                 parent.getSession().syncRead(query);\r
 126                 return query.getResult();\r
 127         }\r
 128     \r
 129     public void doDrop(StructuredResourceSelection s, Resource[] ids) {\r
 130         equipmentResource = s.iterator().next();\r
 131         parent.getSession().asyncWrite(new GraphRequestAdapter() {\r
 132                 @Override\r
 133                 public GraphRequestStatus perform(Graph g) throws Exception {\r
 134                         createNozzle(g);\r
 135                         return GraphRequestStatus.transactionComplete();\r
 136                 }\r
 137         });\r
 138     }\r
 139 }\r